Senior Dotnet Developer

Eligibility Notice :

Unfortunately, we are unable to offer sponsorship for this position. We are only considering candidates who are U.S. citizens or lawful permanent residents (Green Card holders) that will work on our W2 as a full-time salaried employee.

Agency Policy :

We are not accepting applications from third-party agencies for this role. We kindly ask that you respect this policy and refrain from contacting us.

Location Requirement :

The role begins with an initial 30-day on-site period, which may be required. After that, it transitions to a hybrid schedule : two days per week (Wednesdays and Thursdays) on-site at the IDOT Central Office in Springfield, IL, and three days remote.

Job Description.

We are looking for a highly capable and driven Senior .NET / Angular Developer to join our team. The ideal candidate will have at least 5 years of experience developing enterprise-grade web applications using Angular, .NET, and Entity Framework Core, along with 2+ years working in Agile environments. Experience with Kendo UI is strongly preferred. This role demands strong technical expertise, attention to detail, and the ability to collaborate effectively with cross-functional teams to deliver secure, scalable, and high-quality solutions.

Key Responsibilities

Build and maintain high-performance web applications using C#, EF Core, Angular, and Kendo UI.

Optimize data access layers using Entity Framework Core for performance and maintainability.

Develop responsive and interactive front-end components with Angular and Kendo UI.

Participate in all phases of the SDLC : requirements, architecture, coding, testing, deployment, and support.

Collaborate in Agile teams with Product Owners, Scrum Masters, QA, and developers.

Follow best practices in coding, performance, security, and design.

Troubleshoot and resolve issues across front-end and back-end layers.

Contribute to process improvements and development methodologies.

Mentor junior developers and provide technical guidance.

Required Skills & Qualifications

5+ years of experience with :

• .NET Framework & .NET Core (C#)

Entity Framework Core

Angular (v10+ preferred)

2+ years in Agile / Scrum environments

Hands-on experience with Kendo UI

Strong grasp of OOP, design patterns, and SOLID principles

Experience with RESTful APIs and third-party integrations

Proficiency in SQL Server and relational database design

Familiarity with Git or other version control systems

Experience with unit testing and test-driven development

Preferred Skills

Experience with Azure or AWS

Familiarity with CI / CD tools (Azure DevOps, Jenkins, GitHub Actions)

Knowledge of microservices and containerization (Docker / Kubernetes)

Understanding of front-end performance and accessibility standards